Manually operated punch



May 4, 1937. c. EHRET l MANUALLY OPERATED PUNCH Filed June 6, 1936 .'5 Sheets-Sheet 1 wwf f ..Y illlllllllll H. llllllllllfl Il ATTO R N EY May 4, 1937- c. EHRET MANUALLY QPERATED PUNCH Filed June 6, 1936 5 Sheets-Sheet 2 ATTORNEY Filed June 6, 1936 3 Sheets-Sheet 3 www@ - @Lil-,-

INVEN R ATTORNEY .mw @N mw R.

Patented May 4, 1937 UNITED STATES PATENT OFFICE MANUALLY OPERATED PUNCH Application June 6, 1936, Serial No. 83,837

8 Claims.

This invention relates to card perforating machines adapted for use in the .perforated-card tabulating system. In this system the principal machines are; the tabulating machine which,

taining several index points one or more of which points will be perforated to represent the desired data. or other indication. The present invention relates to a machine for producing these perforations.

In the system used at present perforating machines for punching the cards are expensive to construct and maintain in service thus diminishing the elds of commercial use from which sales of such machines may be derived.

The main object of the present invention is to provide a perforating machine which is inexpensive to construct and yet answer all the prerequisites of a perforating machine in that it is capable of punching holes at exact predetermined positions of the card.

A still further object of the invention is to devise a perforating machine which is capable of perforating a composite form consisting of two tabulating card sections vwhich are l punched simultaneously.

considering the detailsv of the machine it is an object of the invention to construct a perforating .machine consisting of a hand operated punch the punch pin of which may have a longi- 4 tudinal and transverse movement and to provide means to insure positive and exact alignment of the punching pin in both ppsitions of adjustment.

A still further object isv to devise an improved tabulating machines of the system-which automatically produce the desired4 report sheets in 55 printed form.

indiscriminately mixed rial support frame.

Referring to the drawings:

Fig. 1 is a perspective view of the improved punching apparatus comprising the manually operated punch, the guiding means therefor and the support for the object to be punched. 5

Fig. 2 is a longitudinal sectional view.

Fig. 3 is a transverse sectional view taken'on the line 3-3 of Fig. 2.

Fig. 4 is an enlarged view of the front end of the manually operated punch and shows its cor- 10 relation with the object to be punched.

Fig. 5 is a plan view of the improved punching apparatus, and

Fig. 6 is a view of a composite form with attached stubs which are to be punched with simi- 15 larly positioned holes.

Resting on a suitable base is a material support frame comprising in part two pairs of legs IIl and II. Each pair carries a related guide member I2 attached to the related pair of legs by any 20 suitable means. Attached to the guide members I2 and resting thereon is a stripper plate I3, said stripper plate spacing the pairs of legs I0 and II widely apart thus forming a rigid mate- 25 Each of the-guide members I2 is apertured to receive related guide rods I4 and I5` which are interconnected by a pivot rod I6, substantially square in cross section.

The pivot rod I6 is slightly smaller in cross 30' I4 and I5 the punch may be moved towards and away from the stripper plate I3. If so desired, the punch may be 4aligned at predetermined longitudinal positions with respect to the die plate I3 by spring-pressed balls 2| (Fig. 3) engaging wedge-shaped notches 22 (Fig. 2) formed at the lower periphery of the guide rods I4 and I5.

To align the punch in its transverse movements, that is, along the rod I6v the collar I 1 has attached thereto a cap 23 in which there is iitted a spring pressed aligning ball 24 engaging notches formed at the bottom edge of the pivot rod I 6. Hence the manual punch may be posithe section 26 is a stub 21. The section 2t has.

ten columns of data to be designated by punching of holes and a similar number of columns are provided for the stub 21. 'I'he section 26 has other columns adapted to be punched but they o are not involved in the present invention. When the stub 21 overlies the section -26 the composite form is placed on the material receiving support as shown in Fig. 3 With scalloped notches 2% and 29 thereof receving similar shaped projections 30 attached to the stripper plate I3. This will position the forms to be punched in proper relationship with respect to the stripper plate I3.

From Fig. 6 it will be evident that the horizontalcolumn of` index points of the same digit of the stub 21 do not overlie the corresponding horizontal column of index points of the section 26 but are displaced by two horizontal columns. The rea-son for this will now be made evident.

The upper jaw I8 carries a spring urged indi-- lcator 3| which is adapted to pass over any vertical column of index points 0-9 inclusive. If a 7 is to be punched the position of the punch for accomplishing this is shown in Fig. 4 in which the indicator 3l rests upon the "7 index point position of the stub 21 but the actual position for punching willbe preferably two spaces to the right which is exactly at the "7 index point position'of the section 26, which is proper for both the section 26 and the stub 21 for controlling tabulating and sorting machines of the system. 'I'his displacement of the index point positions cn the stub 21 permits the index points thereon to be utilized for indicating which index point positions will be punched and therefore, indicate the proper longitudinal position of the punch.

Obviously the manual punch is rst positionedfor punching in the rst vertical column .of index points and then adjusted longitudinally to the desired index point position. The stripper plate I3 is provided with a series of wedge-shaped notches 32 which are adapted to be engaged by a member 33 having a wedge-shaped end and carried byvsp'ring pressed rod 34 iitting in a hole 35 in the tail v20A of the manual punch. This will rmly hold the punch in proper column position while itA is being adjusted longitudinally. When the desired index point position is located the 'punch is rocked slightly to cause a square pin 36 carried by the lower jaw to be rocked into engagement with a certain hole 31 of the stripper plate I3. Thereupon a punch pin 3B may be projected by means now to be described upwardly to pass through a hole 31 of the stripper plate, through the material to be punched and into a hole of a punch die 39 carried by the upper jaw I8. -A

A punch operating lever 40 has bifurcations 4I pivoted at 42 to the lower jaw -I9 and are operated against the action of a spring 43. Extensions- 44 of the bifurcations 4I are each provided with a slot l'receiving a lateral integral extenlion 46 o f the punch pin 38. The spring '431, of eourse.returnsthemmchpin 3l tonormalposition free of the stripper plate I3. By slightly rocking the punch to disengage the aligner Apin 36 from the stripper plate I3 the manual punch is now free for successive lateral and longitudinal adjustment. The manual punch can be shifted laterally without moving it entirely free of the stripperplate, the impositive engagement of the wedge-ended member 33 and notches 32 permitting this operation to facilitate punching operations.

summarizing, the improved punch aiords a means for positively aligning the punch in lateral and longitudinal positions of adjustment to punch a tabulating card at exact punching positions, clearly diierentiating from ticket punches which can punch in any position of a predetermined area.

While there has been shown and described and pointed out the fundamental novel features of the invention as applied to a single modication it will be understood that various omissions and substitutions and changes in the form and details of the device illustrated and in its operation may be' made by those skilled in the art without departing from the spirit of the invention. It is Athe. intention therefore to be limited only as indicated by the scope of the following claims.

What is claimed is:

l. Inv a punching machine of the class described; in combination, a material holding support having columns of holes, a pair of spaced members, a punch element carried by one of said members, and a die carried by the other member, guide means comprising a bar on which is slidably carried said members and also comprising integral parallel rods telescoping in said support to enable the spaced members to be moved bodily into and out of cooperation with said support and by sliding said members on the bar to embrace said suppoi'tatidiierent lateral positions with said punch element directly engaging with a predetermined hole of soid support, an integral extension of one of said members, and a lever for operating said punch element having a portion extending at an angle to said extension, the lever and extension being manually drawn together to operate said punch element and cause it to pass through a hole of said support, through the material, and into 's aid die.

2. In a punching machine of the class described, in combination, a material holding support provided with .columns of perforations and provided with a seriesof aligning notches, a man- `ual1y operated punch comprising a pair of spaced -positions and the corresponding rows of said records being offset, and a punching device comprising a punching means and a punch position "indicator oiset with respect to the punching means, said indicator adapted to be positioned y to cooperate with an index point position of one port can'ying a pair oi.' projecting members engageable with similarly shaped notches of a record adapted to be punched, a movable punchingl device comprising spaced members embracing said support, anda punching means carried by said punching device.

5. In a punching machine, in combination, a pair of spaced members, a punch pin carried by one of said members and a'die carried by the other member, a manually operated lever pivoted to one of said members and means operated thereby to eiect the actuation of said punch pin, a material holding support on which material to be punched rests and provided with holes one of which is directly 'engaged by said punch pin when the punch pin is actuated, and guide means for said members carried by said support comprising parallel bars telescoping in said support to permit various positionslof longitudinal adjustment of said members, and a bar integral with the. parallel bars on which is slidably mounted said members for lateral adjustment to cause said punch pin to be directly engaged with a predetermined hole of the material holding Support.

6. In a machine of the class described, in combination, a material holding support having rows of perforations, a pair of spaced members adapted to embrace said support, a punch carried by one of said members, a manually operated lever pivoted to one of said members and operating said punch to cause it to be projected through a perforation of said support, and an aligning pin carried by one of said members and engaging a perforation in the support.

7. 'Ihe structure claimed in claim 6 and including in combination therewith, an indicator can'ied by one of said members and adapted to cooperate with index points of the material superimposed on said support.

8. In a. punching machine of the'class described, in combination, a material holding support supporting a card provided with index point positions, an adiustable punch device adapted to engage and punch said card at predetermined positions, manually operable punching means carried by said punch device, and an indicator carried by' said punch offset from said punching means and cooperating with printed index points on the card whereby when the punching means is operated it will perforate the card at said predetermined positions of the card.

CLEMENT EHRET. 

